Radio-Frequency Identification has been around for a while. Wikipedia says that in 1946 Léon Theremin invented an espionage tool for the Soviet Union which retransmitted incident radio waves with audio information.
Now RF-ID is everywhere. Pet owners began putting chips in their dogs and cats years ago. Implanting RFID chips in passports and driver’s licenses is a done deal.
Human beings are getting chip implants. VeriChip has inserted chips in 200 Alzheimer’s patients for a pilot program.
Wealthy Mexicans pay $4,000 to have tiny transmitters implanted under their skin so their location can be constantly tracked. RFID pioneer Digital Angel is a world-leading supplier of Search and Rescue Beacon Equipment (SARBE) and Personal Locator Beacons (PLBs).
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